Neptunite and Yttrium Aluminium Garnet Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.19-3.23
  
4.55
  
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
  
Not Available
  
Cleavage
{110} good
  
Not Available
  
Mohs Hardness
5-6
  
8-8.5
  
Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Y 3Al 5O 12Ulrich Henn and Claudio C.
  
Neptunite and Yttrium Aluminium Garnet Chemical Formula
While comparing Neptunite and Yttrium Aluminium Garnet physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Neptunite and Yttrium Aluminium Garnet chemical formula.
- Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Yttrium Aluminium Garnet- Y 3Al 5O 12Ulrich Henn and Claudio C.
Neptunite and Yttrium Aluminium Garnet Specific Gravity
Another important criteria for qualitative analysis of gemstones is Neptunite and Yttrium Aluminium Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Yttrium Aluminium Garnet Optical Properties during the identification of gemstone. Specific gravity of Neptunite is 4.55 whereas that of Yttrium Aluminium Garnet is 4.55.